[Qemu-devel] SH: Improve the interrupt controller 2

[Vladimir Prus]

Hello,

this patch is a revision of the patch I have posted at:

        http://article.gmane.org/gmane.comp.emulators.qemu/34204

The original patch was necessary to get SH7785 emulation working,
but broke 7750. Takashi Yoshi investigated and a revised patch in:

        http://article.gmane.org/gmane.comp.emulators.qemu/37891

with further refinements in:

        http://article.gmane.org/gmane.comp.emulators.qemu/38459
        http://article.gmane.org/gmane.comp.emulators.qemu/39662

The patch I am posting here is a mechanical composition of all
of above. I have previously said that it does not work for 7785,
but the problem turned out to be in my 7785 code, so, to the best
of my knowledge, this works for both 7750 and 7785. The patch
is against SVN r6963. It took quite a number of iterations and time
to arrive here, so I hope this patch can go in.

- Volodya

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